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【单选题】
绘制数控机床电气控制原理图时要遵守( )的一般规则。A.
建筑制图
B.
机械制图
C.
电子制图
D.
电气制图
拍照语音搜题，微信中搜索"皮皮学"使用
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【单选题】听力原文：W: Professor Smith said that I could find the book relevant to my major on the shelves in this section. But I could not even figure out anything similar. M: Maybe the book has been borrowed from ...
A.
At the library.
B.
At the airport.
C.
At the post office.
D.
At the teacher's office.
【单选题】What happened to Ali when he refused to enter the United States Army during the Vietnam War?
A.
He spent five years in prison.
B.
He was accepted into the Black Muslim religious group.
C.
He was denied his boxing rights.
D.
He was immediately exempted from military service.
【单选题】Zheng He’s first stop during the expedition was in ________ is a part of Vietnam today.
A.
where
B.
what
C.
which
D.
that
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